Kasia Cieplak-Mayr von Baldegg brings us an animated argument for football as socialism. She also links to Allen Barra's argument to the contrary, which I find unconvincing. Which isn't to say I couldn't be convinced. I don't really know a lot about baseball's economics beyond the rudiments. I have a feeling I'm about to get an education.
A treehouse can be an ideal office space, vacation rental, and way of reconnecting with your youth.